Abstract
The author simulates the spread of an initial damage in the Kauffman cellular automata at its critical point on the square lattice. He calculates various moments of the probability that a site has been damaged n times and checks for multifractality in the critical exponents for different ensembles. Specifically he finds no evidence for multifractality when the moments of the probabilities are evaluated with lattice size, L, but multifractal behaviour occurs when the moments are monitored as a function of time, t.